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authorIngo Molnar <mingo@kernel.org>2014-07-17 11:45:29 +0200
committerIngo Molnar <mingo@kernel.org>2014-07-17 11:45:29 +0200
commitb5e4111f027c4be85dbe97e090530d03c55c4cf4 (patch)
tree11e0a37cb59314f4e9a7b2810124a4a7a33140e5 /arch/powerpc/sysdev/dart_iommu.c
parent72d5305dcb3637913c2c37e847a4de9028e49244 (diff)
parent9de8033f1bbcce5ed23fe5da9ca1a5060207f7ed (diff)
Merge branch 'locking/urgent' into locking/core, before applying larger changes and to refresh the branch with fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/sysdev/dart_iommu.c')
-rw-r--r--arch/powerpc/sysdev/dart_iommu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 62c47bb76517..9e5353ff6d1b 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -476,6 +476,11 @@ void __init alloc_dart_table(void)
*/
dart_tablebase = (unsigned long)
__va(memblock_alloc_base(1UL<<24, 1UL<<24, 0x80000000L));
+ /*
+ * The DART space is later unmapped from the kernel linear mapping and
+ * accessing dart_tablebase during kmemleak scanning will fault.
+ */
+ kmemleak_no_scan((void *)dart_tablebase);
printk(KERN_INFO "DART table allocated at: %lx\n", dart_tablebase);
}